Wireless Wide Area Networking
•The next horizon for wireless connections is being able to access the Internet on a PDA, wireless phone, or notebook computer from anywhere in the world without a wired connection.
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•A WLAN provides a wireless connection to a network, but devices must be within the stated boundary of the WLAN.
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•In 2.5G and 3G wireless systems, wireless wide area networking (WWAN) makes it possible to access the Internet from anywhere within the boundaries of the wireless network to which you are connected.